Hitachi S 15SA Technical Data And Service Manual

Text of Hitachi S 15SA User Guide:

• Hitachi S 15SA, POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL DISC SANDERS S 15SA, S 18SA SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST Nos. S 15SA: 0349 S 18SA: 0350 Sep. 1999 S MODELS S 15SA S 18SA

• REMARK: Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol(s) is(are) used in the place of company name(s) and model name(s) of our competitor(s). The symbol(s) utilized here is(are) as follows: Symbol Utilized Competitor Company Name Model Name MAKITA 9218 SB C-2 S 18SA Symbol Utilized Competitor Company Name Model Name MAKITA 9215

• Hitachi S 15SA, Page CONTENTS 1. PRODUCT NAME •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 1 2. MARKETING OBJECTIVE ••••••••••••••••••••••••••••••••••••••••�

• Hitachi S 15SA, --- 1 --- 1. PRODUCT NAME Hitachi Disc Sanders, Models S 15SA [150 mm (6")] S 18SA [180 mm (7")] 2. MARKETING OBJECTIVE The Models S 15SA and S 18SA are high-power and double-insulated disc sanders with a stand-up design specially developed to meet customer demands in European and Asian markets. These disc sanders will make it possible to exploit new markets because they are the first products in our disc sander line to satisfy this range of demands. The Models S 15SA and S 18SA have the following features. 1) High-power motor 2) Convenient spindle lock 3) Dust-proof bearing-chamber 3. APPLICATIONS • Sanding of meta

• Hitachi S 15SA, --- 2 --- 4-1. Selling Point Descriptions 1) High-power motor The Models S 15SA and S 18SA are equipped with high-power motors and are more powerful than similar products. We could say that the ratio of the motor's maximum output to the product weight defines its performance. Compared with typical competitor's models C-1 and C-2 in terms of this indicator, the Models S 15SA and S 18SA prove to have the higher performance as shown in Table 1. Table 1 Comparison of max. output and product weight (220 --- 230 V) Max. output * 1 (W) 940 (1.26 hp) 660 (0.88 hp) 940 (1.26 hp) 660 (0.88 hp) Actual product weight * 2 (kg) 2.73 (6.0

• Hitachi S 15SA, --- 3 --- 3) Excellent overload durability The Models S 15SA and S 18SA provide excellent overload durability thanks to the improved cooling fan and cooling air passage design as well as the high-power motor. Overload durability is defined as the amount of thrust force required to raise the stator coil temperature by 200 K, and the ratio of these models to similar products C-1 and C-2 is indicated in Table 2. Comparing these data, the Models S 15SA and S 18SA prove to have the excellent overload durabilit

• Hitachi S 15SA, --- 4 --- 5. SPECIFICATIONS Item Model S 15SA S 18SA 150 mm (6") 180 mm (7") AC single phase 50 or 60 Hz * Weight excludes cord. Capacity Power source Voltage, current and power input Rotation speed (no-load) Type of motor Type of switch Enclosure Catalog Net* Weight Actual Net* Gross Packaging Standard accessories 4,000 /min AC single-phase commutator motor Trigger switch Material: Housing Handle cover ••••• Glassfiber reinforced polyamide resin (green) Tale cover Gear cover ••••• Aluminum alloy die casting Inner

• --- 5 --- Maker HITACHI C-1 / C-2 Model S 15SA / S 18SA Capacity mm 150 (6") / 180 (7") 150 (6") / 180 (7") Power input W 650 570 Power output W 390 (0.5 hp) 340 (0.5 hp) Max. power output ( 220 --- 230 V / 110 --- 115 V ) W 940 (1.3 hp) / 810 (1.1 hp) 660 (0.9 hp) / 630 (0.8 hp) No-load speed /min 4,000 4,000 No-load noise level dB/A 85 82 Spindle lock

• Hitachi S 15SA, --- 6 --- 6-2. Practical Test Data 1) Comparisons in load vs. rotation speed and stator coil temp. rise The graph below shows the relationship between the rotation speed and the stator coil temperature rise while varying loads. The temperature rise of the Model S 18SA (the Model S 15SA is similar) is lower than that of the similar product C-2. And the rotation speed of the Model S 18SA (the Model S 15SA is similar) is higher than that of C-2. This means that the overload durability and efficiency of the Model S 18SA are superior to C-2. HITACHI

• Hitachi S 15SA, --- 7 --- 7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Models S 15SA and S 18SA Disc Sanders by all of our customers, it is very important that at the time of sale, the salesperson carefully ensures that the buyer seriously recognizes the importance of the contents of the Handling Instructions, and fully understands the meaning of the precautions listed on the Name Plate attached to each tool. 7-1. Handling Instructions Although every effort is made in each step of design, manufacture, and inspection to provide protection against

• --- 8 --- 8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY The [Bold] numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagram for S 15SA and the <Bold> numbers to those in the Parts List and exploded assembly diagram for S 18SA. 8-1. Disassembly of the Armature Ass'y and the Lock Lever Ass'y (1) Loosen the tw

• Hitachi S 15SA, --- 9 --- 8-2. Disassembly of the Stator Ass'y (1) After taking off the Armature Ass'y [13] <13>, loosen the five Tapping Screws D4 X 20 [26] <26> and remove the Tail Cover [25] <25>, the Handle Cover [29] <29> and the Fan Guide [16] <16>. (2) Disconnect the lead wires of the Stator Ass'y [17] <17> from Switch (C) [30] <33>. Then, disconnect the lead wires of Noise Suppressor <30>. (3) Disconnect the Brush Terminals [18] <18> from the Brush Holders [21] <21>. (4) Loosen the t

• Hitachi S 15SA, --- 10 --- 8-4. Reassembly Reform reassembly in the reverse order of disassembly while ovserving the given precautions and taking care of the following points. (1) After disassembly, thoroughly remove old grease from the inside of the Gear Cover [8] <8>, and insert 15 g of new grease (Nippeco JF-375, Code No. 930036, is recommended) prior to reassembly. When inserting grease, apply it to the pinion gear teeth surfaces, and to the needle bearing inside the Inner Cover [10] <10>. (2) When replacing the Ball Bearing [15] <15> on the commutator side of the Arm

• Hitachi S 15SA, --- 11 --- 8-7. Insulation Tests On completion of reassembly after repair, measure the insulation resistance and conduct the dielectric strength test. Insulation resistance: 7 M Ω or more with DC 500V Megohm Tester Dielectric strength: AC 4,000 V for 1 minute, with no abnormalities •••••••••••••• 220 V --- 230 V AC 2,500 V for 1 minute, with no abnormalities •••••••••••••• 110 V --- 127 V 8-8. No-Load Current Values After no-load operation for 30 minutes, the no-load current value should be as follows. Voltage (V) Current (A)

• Hitachi S 15SA, --- 12 --- 9. STANDARD REPAIR TIME (UNIT) SCHEDULES MODEL 10 20 30 40 50 60 min. Fixed Variable G 15SA Work Flow Switch Cord Housing Ass'y Stator Armature Ass'y Ball Bearing (6000DD) Ball Bearing (608VV) Dust Seal Inner Cover General Assembly Gear Cover First Gear Ball Bearing (6201DD) Spindle Bearing Cap G 18SA

• Hitachi S 15SA, --- 14 --- PARTS S 15SA : ALTERNATIVE PARTS ITEM NO. CODE NO. DESCRIPTION NO. USED REMARKS 1 953-381 WASHER NUT 1 2 935-652 RUBBER PAD 1 3 944-005 BEARING CAP 1 4 317-895 SPINDLE 1 5 620-1DD BALL BEARING 6201DDCMPS2L 1 6 939-542 RETAINING RING FOR D12 SHAFT (10 PCS.) 1 7 316-321 TAPPING SCREW (W/FLANGE) D5X45 4 8 318-017 GEAR COVER 1 9 997-707 FIRST GEAR 1 10 317-891 INNER COVER 1 11 600-0DD BALL BEARING 6000DDCMPS2L 1 12 317-890 LOCK LEVER 1 13 360-499U ARMATURE ASS’Y 110V-115V 1 INCLUD.11,14,15 14 317-889 DUST SEAL 1 15 608-VVM BALL BEARING 608VVC2PS2L 1 16 317-888 FAN GUIDE 1 17 340-446C STATOR ASS’Y 110V 1 INCLUD.18 18

• Hitachi S 15SA, --- 15 --- STANDARD ACCESSORIES S 15SA ITEM NO. CODE NO. DESCRIPTION NO. USED REMARKS 501 937-913Z WRENCH 1 : ALTERNATIVE PARTS * 601 314-073 SANDING DISCS 150MM C-P16 (10 PCS.) 1 602 314-074 SANDING DISCS 150MM C-P20 (10 PCS.) 1 603 314-075 SANDING DISCS 150MM C-P24 (10 PCS.) 1 604 314-076 SANDING DISCS 150MM C-P30 (10 PCS.) 1 605 314-077 SANDING DISCS 150MM C-P36 (10 PCS.) 1 606 314-078 SANDING DISCS 150MM C-P40 (10 PCS.) 1 607 314-079 SANDING DISCS 150MM C-P50 (10 PCS.) 1 608 314-080 SANDING DISCS 150MM C-P60 (10 PCS.

• Hitachi S 15SA, --- 17 --- PARTS S 18SA : ALTERNATIVE PARTS ITEM NO. CODE NO. DESCRIPTION NO. USED REMARKS * 1 953-381 WASHER NUT 1 * 1 953-246Z WASHER NUT M14 1 FOR ITA,FRG,FRA,ESP * 1 953-254P WASHER NUT 5/8"-11UNC 1 FOR USA * 2 953-255 RUBBER PAD (D16 HOLE) 1 * 2 953-247Z RUBBER PAD (D14 HOLE) 1 FOR ITA,FRG,FRA,ESP 3 944-005 BEARING CAP 1 * 4 317-895 SPINDLE 1 * 4 317-902 SPINDLE 1 FOR ITA,FRG,FRA,ESP * 4 317-903 SPINDLE 1 FOR USA 5 620-1DD BALL BEARING 6201DDCMPS2L 1 6 939-542 RETAINING RING FOR D12 SHAFT (10 PCS.) 1 7 316-321 TAPPING SCREW (W/FLANGE) D5X45 4 8 318-017 GEAR COVER 1 9 997-707 FIRST GEAR 1 10 317-891 INNER

• Hitachi S 15SA, --- 19 --- : ALTERNATIVE PARTS * STANDARD ACCESSORIES OPTIONAL ACCESSORIES S 18SA ITEM NO. CODE NO. DESCRIPTION NO. USED REMARKS 501 937-913Z WRENCH 1 * 502 314-090 SANDING DISCS 180MM C-P50 (10 PCS.) 1 * 502 314-084 SANDING DISCS 180MM C-P16 (10 PCS.) 1 FOR ESP ITEM NO. CODE NO. DESCRIPTION NO. USED REMARKS 601 314-084 SANDING DISCS 180MM C-P16 (10 PCS.) 1 602 314-085 SANDING DISCS 180MM C-P20 (10 PCS.) 1 603 314-086 SANDING DISCS 180MM C-P24 (10 PCS.) 1 604 314-087 SANDING DISCS 180MM C-P30 (10

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